<!DOCTYPE html>
<html>
<head><meta name="generator" content="Hexo 3.9.0">
  <meta charset="utf-8">
  

  
  <title>Qt之菜单概述 | Hexo</title>
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
  <meta name="description" content="菜单所需头文件 QMenuBar：菜单（用于添加菜单栏）  QMenu：菜单（添加菜单）  QAction：添加菜单项（添加动作）  QToolBar：添加菜单项的快捷方式  QStatusBar：状态栏  QLabel：标签    创建1234567891011121314151617181920//模板，创建并且指定当前窗口为父对象（实质上为构造函数）    头文件名 *名字 = new">
<meta name="keywords" content="QT">
<meta property="og:type" content="article">
<meta property="og:title" content="Qt之菜单概述">
<meta property="og:url" content="http://yoursite.com/2019/06/25/Qt之菜单概述/index.html">
<meta property="og:site_name" content="Hexo">
<meta property="og:description" content="菜单所需头文件 QMenuBar：菜单（用于添加菜单栏）  QMenu：菜单（添加菜单）  QAction：添加菜单项（添加动作）  QToolBar：添加菜单项的快捷方式  QStatusBar：状态栏  QLabel：标签    创建1234567891011121314151617181920//模板，创建并且指定当前窗口为父对象（实质上为构造函数）    头文件名 *名字 = new">
<meta property="og:locale" content="default">
<meta property="og:updated_time" content="2019-06-25T15:52:07.219Z">
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Qt之菜单概述">
<meta name="twitter:description" content="菜单所需头文件 QMenuBar：菜单（用于添加菜单栏）  QMenu：菜单（添加菜单）  QAction：添加菜单项（添加动作）  QToolBar：添加菜单项的快捷方式  QStatusBar：状态栏  QLabel：标签    创建1234567891011121314151617181920//模板，创建并且指定当前窗口为父对象（实质上为构造函数）    头文件名 *名字 = new">
  
    <link rel="alternate" href="/atom.xml" title="Hexo" type="application/atom+xml">
  
  
    <link rel="icon" href="/favicon.png">
  
  
    <link href="//fonts.googleapis.com/css?family=Source+Code+Pro" rel="stylesheet" type="text/css">
  
  <link rel="stylesheet" href="/css/style.css">
</head>
</html>
<body>
  <div id="container">
    <div id="wrap">
      <header id="header">
  <div id="banner"></div>
  <div id="header-outer" class="outer">
    <div id="header-title" class="inner">
      <h1 id="logo-wrap">
        <a href="/" id="logo">Hexo</a>
      </h1>
      
    </div>
    <div id="header-inner" class="inner">
      <nav id="main-nav">
        <a id="main-nav-toggle" class="nav-icon"></a>
        
          <a class="main-nav-link" href="/">Home</a>
        
          <a class="main-nav-link" href="/archives">Archives</a>
        
      </nav>
      <nav id="sub-nav">
        
          <a id="nav-rss-link" class="nav-icon" href="/atom.xml" title="RSS Feed"></a>
        
        <a id="nav-search-btn" class="nav-icon" title="Search"></a>
      </nav>
      <div id="search-form-wrap">
        <form action="//google.com/search" method="get" accept-charset="UTF-8" class="search-form"><input type="search" name="q" class="search-form-input" placeholder="Search"><button type="submit" class="search-form-submit">&#xF002;</button><input type="hidden" name="sitesearch" value="http://yoursite.com"></form>
      </div>
    </div>
  </div>
</header>
      <div class="outer">
        <section id="main"><article id="post-Qt之菜单概述" class="article article-type-post" itemscope itemprop="blogPost">
  <div class="article-meta">
    <a href="/2019/06/25/Qt之菜单概述/" class="article-date">
  <time datetime="2019-06-25T07:18:44.000Z" itemprop="datePublished">2019-06-25</time>
</a>
    
  <div class="article-category">
    <a class="article-category-link" href="/categories/QT/">QT</a>
  </div>

  </div>
  <div class="article-inner">
    
    
      <header class="article-header">
        
  
    <h1 class="article-title" itemprop="name">
      Qt之菜单概述
    </h1>
  

      </header>
    
    <div class="article-entry" itemprop="articleBody">
      
        <hr>
<hr>
<h2 id="菜单所需头文件"><a href="#菜单所需头文件" class="headerlink" title="菜单所需头文件"></a>菜单所需头文件</h2><ul>
<li><p>QMenuBar：菜单（用于添加菜单栏）</p>
</li>
<li><p>QMenu：菜单（添加菜单）</p>
</li>
<li><p>QAction：添加菜单项（添加动作）</p>
</li>
<li><p>QToolBar：添加菜单项的快捷方式</p>
</li>
<li><p>QStatusBar：状态栏</p>
</li>
<li><p>QLabel：标签</p>
</li>
</ul>
<hr>
<h2 id="创建"><a href="#创建" class="headerlink" title="创建"></a>创建</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line">//模板，创建并且指定当前窗口为父对象（实质上为构造函数）</span><br><span class="line">    头文件名 *名字 = new 头文件名(this);</span><br><span class="line"></span><br><span class="line">//创建菜单栏</span><br><span class="line">    QMenuBar *mBar = menuBar();</span><br><span class="line"></span><br><span class="line">//添加菜单项，添加动作</span><br><span class="line">    QAction *pNew = pFile-&gt;addAction(QString::fromLocal8Bit(&quot;新建&quot;));</span><br><span class="line"></span><br><span class="line">//添加分割线</span><br><span class="line">    pFile-&gt;addSeparator();</span><br><span class="line"></span><br><span class="line">//添加工具栏，菜单项的快捷方式</span><br><span class="line">    QToolBar *toolBar = addToolBar(&quot;toolBar&quot;);</span><br><span class="line"></span><br><span class="line">//工具栏添加快捷键</span><br><span class="line">    toolBar-&gt;addAction(pNew);</span><br><span class="line"></span><br><span class="line">//新建状态栏</span><br><span class="line">    QStatusBar *statusBar = statusBar();</span><br></pre></td></tr></table></figure>

<hr>
<h2 id="实战案例"><a href="#实战案例" class="headerlink" title="实战案例"></a>实战案例</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br></pre></td><td class="code"><pre><span class="line">//菜单栏</span><br><span class="line">QMenuBar *mBar = menuBar();</span><br><span class="line"></span><br><span class="line">//添加菜单</span><br><span class="line">QMenu *pFile = mBar-&gt;addMenu(QString::fromLocal8Bit(&quot;文件&quot;));</span><br><span class="line"></span><br><span class="line">//添加菜单项，添加动作</span><br><span class="line">QAction *pNew = pFile-&gt;addAction(QString::fromLocal8Bit(&quot;新建&quot;));</span><br><span class="line">QAction *pOpen = pFile-&gt;addAction(QString::fromLocal8Bit(&quot;打开&quot;));</span><br><span class="line"></span><br><span class="line">pFile-&gt;addSeparator();//添加分割线</span><br><span class="line"></span><br><span class="line">connect(pNew, &amp;QAction::triggered,</span><br><span class="line">        [=]()</span><br><span class="line">        &#123;</span><br><span class="line">            qDebug()&lt;&lt;QString::fromLocal8Bit(&quot;新建被按下&quot;);  //打印</span><br><span class="line">        &#125;</span><br><span class="line">       );</span><br><span class="line"></span><br><span class="line"></span><br><span class="line">//工具栏，菜单项的快捷方式</span><br><span class="line">QToolBar *toolBar = addToolBar(&quot;toolBar&quot;);</span><br><span class="line"></span><br><span class="line"></span><br><span class="line">//添加小控件</span><br><span class="line">QPushButton *b = new QPushButton(this);</span><br><span class="line">b-&gt;setText(&quot;^_^&quot;);</span><br><span class="line">toolBar-&gt;addWidget(b);</span><br><span class="line">connect(b, &amp;QPushButton::clicked,</span><br><span class="line">        [=]()</span><br><span class="line">        &#123;</span><br><span class="line">            b-&gt;setText(&quot;123&quot;);</span><br><span class="line">        &#125;</span><br><span class="line">        );</span><br><span class="line"></span><br><span class="line">//工具栏添加快捷键</span><br><span class="line">toolBar-&gt;addAction(pNew);</span><br><span class="line"></span><br><span class="line">//状态栏</span><br><span class="line">QStatusBar *sBar = statusBar();    //新建状态栏</span><br><span class="line">QLabel *label = new QLabel(this);</span><br><span class="line">label-&gt;setText(&quot;Normal text file&quot;);</span><br><span class="line">sBar-&gt;addWidget(label);</span><br><span class="line"></span><br><span class="line">sBar-&gt;addWidget(new QLabel(&quot;2&quot;, this));     //从左往右添加</span><br><span class="line"></span><br><span class="line">sBar-&gt;addPermanentWidget(new QLabel(&quot;2&quot;, this));    //从右往左添加</span><br><span class="line"></span><br><span class="line">//核心控件,文本编辑框</span><br><span class="line">QTextEdit *textEdit = new QTextEdit(this);</span><br><span class="line">setCentralWidget(textEdit);</span><br><span class="line"></span><br><span class="line">//浮动窗口</span><br><span class="line">QDockWidget *dock = new QDockWidget(this);</span><br><span class="line">addDockWidget(Qt::RightDockWidgetArea, dock);</span><br><span class="line"></span><br><span class="line">//给浮动窗口添加控件</span><br><span class="line">QTextEdit *textEdit1 = new QTextEdit(this);</span><br><span class="line">dock-&gt;setWidget(textEdit1);</span><br></pre></td></tr></table></figure>
      
    </div>
    <footer class="article-footer">
      <a data-url="http://yoursite.com/2019/06/25/Qt之菜单概述/" data-id="ck4r400rn0081l0w0tu0r38tu" class="article-share-link">Share</a>
      
      
  <ul class="article-tag-list"><li class="article-tag-list-item"><a class="article-tag-list-link" href="/tags/QT/">QT</a></li></ul>

    </footer>
  </div>
  
    
<nav id="article-nav">
  
    <a href="/2019/07/03/CSS额外知识点/" id="article-nav-newer" class="article-nav-link-wrap">
      <strong class="article-nav-caption">Newer</strong>
      <div class="article-nav-title">
        
          CSS额外知识点--边框效果
        
      </div>
    </a>
  
  
    <a href="/2019/06/25/QT中提示“常量中有换行符”解决办法/" id="article-nav-older" class="article-nav-link-wrap">
      <strong class="article-nav-caption">Older</strong>
      <div class="article-nav-title">QT中提示“常量中h有换行符”解决办法</div>
    </a>
  
</nav>

  
</article>

</section>
        
          <aside id="sidebar">
  
    
  <div class="widget-wrap">
    <h3 class="widget-title">Categories</h3>
    <div class="widget">
      <ul class="category-list"><li class="category-list-item"><a class="category-list-link" href="/categories/Ajax/">Ajax</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/CSS/">CSS</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/CSS3/">CSS3</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/Dart/">Dart</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/Flutter/">Flutter</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/Git/">Git</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/HTML/">HTML</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/HTML5/">HTML5</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/JSON/">JSON</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/Java/">Java</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/JavaScript/">JavaScript</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/QT/">QT</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/React/">React</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/Sass/">Sass</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/TheKnowledgeOf/">TheKnowledgeOf</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/TypeScript/">TypeScript</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/bootstrap/">bootstrap</a></li><li class="category-list-item"><a class="category-list-link" href="/categories/jQuery/">jQuery</a></li></ul>
    </div>
  </div>


  
    
  <div class="widget-wrap">
    <h3 class="widget-title">Tags</h3>
    <div class="widget">
      <ul class="tag-list"><li class="tag-list-item"><a class="tag-list-link" href="/tags/Ajax/">Ajax</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/CSS/">CSS</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/CSS3/">CSS3</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dart/">Dart</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Flutter/">Flutter</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Git/">Git</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/HTML/">HTML</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/HTML5/">HTML5</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JSON/">JSON</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/">Java</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JavaScript/">JavaScript</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Javascript/">Javascript</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/QT/">QT</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/React/">React</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Sass/">Sass</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/TheKnowledgeOf/">TheKnowledgeOf</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/TypeScript/">TypeScript</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/bootstrap/">bootstrap</a></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/jQuery/">jQuery</a></li></ul>
    </div>
  </div>


  
    
  <div class="widget-wrap">
    <h3 class="widget-title">Tag Cloud</h3>
    <div class="widget tagcloud">
      <a href="/tags/Ajax/" style="font-size: 12.22px;">Ajax</a> <a href="/tags/CSS/" style="font-size: 18.89px;">CSS</a> <a href="/tags/CSS3/" style="font-size: 17.78px;">CSS3</a> <a href="/tags/Dart/" style="font-size: 14.44px;">Dart</a> <a href="/tags/Flutter/" style="font-size: 16.67px;">Flutter</a> <a href="/tags/Git/" style="font-size: 12.22px;">Git</a> <a href="/tags/HTML/" style="font-size: 14.44px;">HTML</a> <a href="/tags/HTML5/" style="font-size: 12.22px;">HTML5</a> <a href="/tags/JSON/" style="font-size: 10px;">JSON</a> <a href="/tags/Java/" style="font-size: 11.11px;">Java</a> <a href="/tags/JavaScript/" style="font-size: 20px;">JavaScript</a> <a href="/tags/Javascript/" style="font-size: 10px;">Javascript</a> <a href="/tags/QT/" style="font-size: 12.22px;">QT</a> <a href="/tags/React/" style="font-size: 15.56px;">React</a> <a href="/tags/Sass/" style="font-size: 11.11px;">Sass</a> <a href="/tags/TheKnowledgeOf/" style="font-size: 11.11px;">TheKnowledgeOf</a> <a href="/tags/TypeScript/" style="font-size: 10px;">TypeScript</a> <a href="/tags/bootstrap/" style="font-size: 11.11px;">bootstrap</a> <a href="/tags/jQuery/" style="font-size: 13.33px;">jQuery</a>
    </div>
  </div>

  
    
  <div class="widget-wrap">
    <h3 class="widget-title">Archives</h3>
    <div class="widget">
      <ul class="archive-list"><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/12/">December 2019</a></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/11/">November 2019</a></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/10/">October 2019</a></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/09/">September 2019</a></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/08/">August 2019</a></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/07/">July 2019</a></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/06/">June 2019</a></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/05/">May 2019</a></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/04/">April 2019</a></li><li class="archive-list-item"><a class="archive-list-link" href="/archives/2019/03/">March 2019</a></li></ul>
    </div>
  </div>


  
    
  <div class="widget-wrap">
    <h3 class="widget-title">Recent Posts</h3>
    <div class="widget">
      <ul>
        
          <li>
            <a href="/2019/12/29/Flutter-MaterialApp常用属性介绍/">Flutter-MaterialApp常用属性介绍</a>
          </li>
        
          <li>
            <a href="/2019/12/29/Flutter-ListView/">Flutter-ListView</a>
          </li>
        
          <li>
            <a href="/2019/12/29/Flutter-AppBar/">Flutter-AppBar</a>
          </li>
        
          <li>
            <a href="/2019/12/29/Flutter-TabBar/">Flutter-TabBar</a>
          </li>
        
          <li>
            <a href="/2019/12/29/Flutter-按钮/">Flutter-按钮</a>
          </li>
        
      </ul>
    </div>
  </div>

  
</aside>
        
      </div>
      <footer id="footer">
  
  <div class="outer">
    <div id="footer-info" class="inner">
      &copy; 2019 John Doe<br>
      Powered by <a href="http://hexo.io/" target="_blank">Hexo</a>
    </div>
  </div>
</footer>
    </div>
    <nav id="mobile-nav">
  
    <a href="/" class="mobile-nav-link">Home</a>
  
    <a href="/archives" class="mobile-nav-link">Archives</a>
  
</nav>
    

<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>


  <link rel="stylesheet" href="/fancybox/jquery.fancybox.css">
  <script src="/fancybox/jquery.fancybox.pack.js"></script>


<script src="/js/script.js"></script>



  </div>
</body>
</html>